{ "description": { "translate": "enchantment.minecraft.aqua_affinity" }, "supported_items": "#minecraft:enchantable/head_armor", "weight": 2, "max_level": 1, "min_cost": { "base": 1, "per_level_above_first": 0 }, "max_cost": { "base": 41, "per_level_above_first": 0 }, "anvil_cost": 4, "slots": [ "head" ], "effects": { "minecraft:attributes": [ { "id": "minecraft:enchantment.aqua_affinity", "attribute": "minecraft:submerged_mining_speed", "amount": { "base": 4.0, "per_level_above_first": 4.0, "type": "minecraft:linear" }, "operation": "add_multiplied_total" } ] } }